diff options
Diffstat (limited to 'linuxthreads')
| -rw-r--r-- | linuxthreads/ChangeLog | 12 | ||||
| -rw-r--r-- | linuxthreads/shlib-versions | 1 | ||||
| -rw-r--r-- | linuxthreads/sysdeps/s390/s390-64/pt-machine.h | 107 | ||||
| -rw-r--r-- | linuxthreads/sysdeps/unix/sysv/linux/s390/s390-32/pt-initfini.c | 154 | ||||
| -rw-r--r-- | linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/pt-initfini.c | 137 |
5 files changed, 411 insertions, 0 deletions
diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog index c9d685e51f..bbda957a84 100644 --- a/linuxthreads/ChangeLog +++ b/linuxthreads/ChangeLog @@ -1,3 +1,15 @@ +2001-03-13 Martin Schwidefsky <schwidefsky@de.ibm.com> + + * shlib-versions: Add rule for Linux on 64 bit S/390. + * sysdeps/s390/s390-64/pt-machine.h: New file. + * sysdeps/unix/sysv/linux/s390/s390-64/pt-initfini.c: New file. + +2001-03-13 Martin Schwidefsky <schwidefsky@de.ibm.com> + + * sysdeps/s390/pt-machine.h: Move to... + * sysdeps/s390/s390-32/pt-machine.h: ...here. + Add defines for FLOATING_STACK and ARCH_STACK_MAX_SIZE. + 2001-03-15 Ulrich Drepper <drepper@redhat.com> * Versions [libpthread] (GLIBC_2.2.3): Add pthread_getattr_np. diff --git a/linuxthreads/shlib-versions b/linuxthreads/shlib-versions index 5344c6bbd7..91d9ccf74f 100644 --- a/linuxthreads/shlib-versions +++ b/linuxthreads/shlib-versions @@ -4,4 +4,5 @@ sparc64-.*-linux.* libpthread=0 GLIBC_2.2 sh.*-.*-linux.* libpthread=0 GLIBC_2.2 ia64.*-.*-linux.* libpthread=0 GLIBC_2.2 hppa.*-.*-linux.* libpthread=0 GLIBC_2.2 +s390x-.*-linux.* libpthread=0 GLIBC_2.2 .*-.*-linux.* libpthread=0 diff --git a/linuxthreads/sysdeps/s390/s390-64/pt-machine.h b/linuxthreads/sysdeps/s390/s390-64/pt-machine.h new file mode 100644 index 0000000000..f205c1245c --- /dev/null +++ b/linuxthreads/sysdeps/s390/s390-64/pt-machine.h @@ -0,0 +1,107 @@ +/* Machine-dependent pthreads configuration and inline functions. + 64 bit S/390 version. + Copyright (C) 2001 Free Software Foundation, Inc. + Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef PT_EI +# define PT_EI extern inline +#endif + +/* Spinlock implementation; required. */ +PT_EI long int +testandset (int *spinlock) +{ + int ret; + + __asm__ __volatile__( + " la 1,%1\n" + " lhi 0,1\n" + " l %0,%1\n" + "0: cs %0,0,0(1)\n" + " jl 0b" + : "=&d" (ret), "+m" (*spinlock) + : : "0", "1", "cc"); + + return ret; +} + + +/* Get some notion of the current stack. Need not be exactly the top + of the stack, just something somewhere in the current frame. */ +#define CURRENT_STACK_FRAME stack_pointer +register char * stack_pointer __asm__ ("15"); + +/* Return the thread descriptor for the current thread. + 64 bit S/390 uses access register 0 and 1 as "thread register". */ +#define THREAD_SELF ({ \ + register pthread_descr __self; \ + __asm__ (" ear %0,%%a0\n" \ + " sllg %0,%0,32\n" \ + " ear %0,%%a1\n" \ + : "=d" (__self) ); \ + __self; \ +}) + +/* Initialize the thread-unique value. */ +#define INIT_THREAD_SELF(descr, nr) ({ \ + __asm__ (" sar %%a1,%0\n" \ + " srlg 0,%0,32\n" \ + " sar %%a0,0\n" \ + : : "d" (descr) : "0" ); \ +}) + +/* Access to data in the thread descriptor is easy. */ +#define THREAD_GETMEM(descr, member) THREAD_SELF->member +#define THREAD_GETMEM_NC(descr, member) THREAD_SELF->member +#define THREAD_SETMEM(descr, member, value) THREAD_SELF->member = (value) +#define THREAD_SETMEM_NC(descr, member, value) THREAD_SELF->member = (value) + +/* We want the OS to assign stack addresses. */ +#define FLOATING_STACKS 1 + +/* Maximum size of the stack if the rlimit is unlimited. */ +#define ARCH_STACK_MAX_SIZE 8*1024*1024 + +/* Compare-and-swap for semaphores. */ + +#define HAS_COMPARE_AND_SWAP + +PT_EI int +__compare_and_swap(long int *p, long int oldval, long int newval) +{ + int retval; + + __asm__ __volatile__( + " lgr 0,%2\n" + " csg 0,%3,%1\n" + " ipm %0\n" + " srl %0,28\n" + "0:" + : "=&d" (retval), "+m" (*p) + : "d" (oldval) , "d" (newval) + : "cc", "0"); + return retval == 0; +} + + + +/* Get some notion of the current stack. Need not be exactly the top + of the stack, just something somewhere in the current frame. */ +#define CURRENT_STACK_FRAME stack_pointer +register char * stack_pointer __asm__ ("%r15"); diff --git a/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-32/pt-initfini.c b/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-32/pt-initfini.c new file mode 100644 index 0000000000..8fccbcdd13 --- /dev/null +++ b/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-32/pt-initfini.c @@ -0,0 +1,154 @@ +/* Special .init and .fini section support for S/390. + Copyright (C) 2000, 2001 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it + and/or modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + In addition to the permissions in the GNU Library General Public + License, the Free Software Foundation gives you unlimited + permission to link the compiled version of this file with other + programs, and to distribute those programs without any restriction + coming from the use of this file. (The Library General Public + License restrictions do apply in other respects; for example, they + cover modification of the file, and distribution when not linked + into another program.) + + The GNU C Library is distributed in the hope that it will be + useful, but WITHOUT ANY WARRANTY; without even the implied warranty + of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* This file is compiled into assembly code which is then munged by a sed + script into two files: crti.s and crtn.s. + + * crti.s puts a function prologue at the beginning of the + .init and .fini sections and defines global symbols for + those addresses, so they can be called as functions. + + * crtn.s puts the corresponding function epilogues + in the .init and .fini sections. */ + +__asm__ (" + +#include \"defs.h\" + +/*@HEADER_ENDS*/ + +/*@TESTS_BEGIN*/ + +/*@TESTS_END*/ + +/*@_init_PROLOG_BEGINS*/ + + .section .init +#NO_APP + .align 4 +.globl _init + .type _init,@function +_init: +# leaf function 0 +# automatics 0 +# outgoing args 0 +# need frame pointer 0 +# call alloca 0 +# has varargs 0 +# incoming args (stack) 0 +# function length 36 + STM 6,15,24(15) + BRAS 13,.LTN1_0 +.LT1_0: +.LC13: + .long __pthread_initialize_minimal@PLT-.LT1_0 +.LC14: + .long __gmon_start__@GOT +.LC15: + .long _GLOBAL_OFFSET_TABLE_-.LT1_0 +.LTN1_0: + LR 1,15 + AHI 15,-96 + ST 1,0(15) + L 12,.LC15-.LT1_0(13) + AR 12,13 + L 1,.LC13-.LT1_0(13) + LA 1,0(1,13) + BASR 14,1 + L 1,.LC14-.LT1_0(13) + L 1,0(1,12) + LTR 1,1 + JE .L22 + BASR 14,1 +.L22: +#APP + .align 4,0x07 + END_INIT + +/*@_init_PROLOG_ENDS*/ + +/*@_init_EPILOG_BEGINS*/ + .align 4 + .section .init +#NO_APP + .align 4 + L 4,152(15) + LM 6,15,120(15) + BR 4 +#APP + END_INIT + +/*@_init_EPILOG_ENDS*/ + +/*@_fini_PROLOG_BEGINS*/ + .section .fini +#NO_APP + .align 4 +.globl _fini + .type _fini,@function +_fini: +# leaf function 0 +# automatics 0 +# outgoing args 0 +# need frame pointer 0 +# call alloca 0 +# has varargs 0 +# incoming args (stack) 0 +# function length 30 + STM 6,15,24(15) + BRAS 13,.LTN2_0 +.LT2_0: +.LC17: + .long _GLOBAL_OFFSET_TABLE_-.LT2_0 +.LTN2_0: + LR 1,15 + AHI 15,-96 + ST 1,0(15) + L 12,.LC17-.LT2_0(13) + AR 12,13 +#APP + .align 4,0x07 + END_FINI + +/*@_fini_PROLOG_ENDS*/ + +/*@_fini_EPILOG_BEGINS*/ + .align 4 + .section .fini +#NO_APP + .align 4 + L 4,152(15) + LM 6,15,120(15) + BR 4 +#APP + END_FINI + +/*@_fini_EPILOG_ENDS*/ + +/*@TRAILER_BEGINS*/ +"); diff --git a/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/pt-initfini.c b/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/pt-initfini.c new file mode 100644 index 0000000000..446a3edb28 --- /dev/null +++ b/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/pt-initfini.c @@ -0,0 +1,137 @@ +/* Special .init and .fini section support for 64 bit S/390. + Copyright (C) 2001 Free Software Foundation, Inc. + Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it + and/or modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + In addition to the permissions in the GNU Library General Public + License, the Free Software Foundation gives you unlimited + permission to link the compiled version of this file with other + programs, and to distribute those programs without any restriction + coming from the use of this file. (The Library General Public + License restrictions do apply in other respects; for example, they + cover modification of the file, and distribution when not linked + into another program.) + + The GNU C Library is distributed in the hope that it will be + useful, but WITHOUT ANY WARRANTY; without even the implied warranty + of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* This file is compiled into assembly code which is then munged by a sed + script into two files: crti.s and crtn.s. + + * crti.s puts a function prologue at the beginning of the + .init and .fini sections and defines global symbols for + those addresses, so they can be called as functions. + + * crtn.s puts the corresponding function epilogues + in the .init and .fini sections. */ + +__asm__ (" + +#include \"defs.h\" + +/*@HEADER_ENDS*/ + +/*@TESTS_BEGIN*/ + +/*@TESTS_END*/ + +/*@_init_PROLOG_BEGINS*/ + + .section .init +#NO_APP + .align 4 +.globl _init + .type _init,@function +_init: +# leaf function 0 +# automatics 0 +# outgoing args 0 +# need frame pointer 0 +# call alloca 0 +# has varargs 0 +# incoming args (stack) 0 +# function length 36 + STMG 6,15,48(15) + LGR 1,15 + AGHI 15,-160 + STG 1,0(15) + LARL 12,_GLOBAL_OFFSET_TABLE_ + BRASL 14,__pthread_initialize_minimal@PLT + LARL 1,__gmon_start__@GOTENT + LG 1,0(1) + LTGR 1,1 + JE .L22 + BASR 14,1 +.L22: +#APP + .align 4,0x07 + END_INIT + +/*@_init_PROLOG_ENDS*/ + +/*@_init_EPILOG_BEGINS*/ + .align 4 + .section .init +#NO_APP + .align 4 + LG 4,272(15) + LMG 6,15,208(15) + BR 4 +#APP + END_INIT + +/*@_init_EPILOG_ENDS*/ + +/*@_fini_PROLOG_BEGINS*/ + .section .fini +#NO_APP + .align 4 +.globl _fini + .type _fini,@function +_fini: +# leaf function 0 +# automatics 0 +# outgoing args 0 +# need frame pointer 0 +# call alloca 0 +# has varargs 0 +# incoming args (stack) 0 +# function length 30 + STMG 6,15,48(15) + LGR 1,15 + AGHI 15,-160 + STG 1,0(15) + LARL 12,_GLOBAL_OFFSET_TABLE_ +#APP + .align 4,0x07 + END_FINI + +/*@_fini_PROLOG_ENDS*/ + +/*@_fini_EPILOG_BEGINS*/ + .align 4 + .section .fini +#NO_APP + .align 4 + LG 4,272(15) + LMG 6,15,208(15) + BR 4 +#APP + END_FINI + +/*@_fini_EPILOG_ENDS*/ + +/*@TRAILER_BEGINS*/ +"); |